The bobsled track contains turns with radii of 54 m and 12 m. Find the centripetal...
The bobsled track contains turns with radii of 54 m and 12 m. Find the centripetal acceleration at each turn for a speed of 8 m/s. Express answers as multiples of g.
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The bobsled track contains turns with radii of 54 m and 12 m.
Find the centripetal...
A biker runs at constant speed 34 m/s around a circular track with a centripetal acceleration...
A biker runs at constant speed 34 m/s around a circular track with a centripetal acceleration of magnitude 12.5 m/s^2 a) what is track's radius ? b) what is the magnitude of angular velocity of the sprinter? c) what is the magnitude of the sprinter's angular acceleration? d) how long does it take to complete one revolution this time is called "period of motion"? e) how many revolutions per minute does the sprinter make?
1) A cyclist rides around a circle track with a constant speed of 8 m/s. If...
1) A cyclist rides around a circle track with a constant speed of 8 m/s. If the radius of the track is 150 m then what acceleration does it experience? 2) A 75 kg tightrope walker is in the middle of the rope. The tightrope sags in the middle and creates a 30 degree angle below the horizontal. What is the tension in the cable? 3) A 0.75 kg yo-yo is spun around at a constant speed in a circle....
1. A Ferris wheel at a carnival has a radius of 8 m and turns so...
1. A Ferris wheel at a carnival has a radius of 8 m and turns so that the speed of the riders is 11 m/s. (a) What is the magnitude of the centripetal acceleration of the riders? (b) What is the magnitude of the net force is required to produce this centripetal acceleration for a rider with a mass of 65 kg? 2.Two 325-kg masses (722 lb) are separated by a distance of 6 m. Using Newton's law of gravitation,...
2. A car is driving at constant angular speed along a 20 m radius circular track....
2. A car is driving at constant angular speed along a 20 m radius circular track. The car completes one revolution of the track in 10 seconds. Calculate: (i) The (tangent) speed of the car. 12.6 m/s (ii) The angular speed of the car. 0.63 1/s or 0.63 rad/s (iii) The centripetal acceleration of the car. 7.9 m/s2 (iv) The RPM (i.e. revolutions per minute) of the car. 6 RPM THE ANSWERS ARE IN BOLD, COULD YOU PLEASE SHOW THE...
Came: 7. What centripetal force does an 100-kg passenger experience when seated 15 m from the...
Came: 7. What centripetal force does an 100-kg passenger experience when seated 15 m from the center of a Ferris wheel whose angular speed is 0.75 rad/s? a 844 N b. 458 N c. 127N d. 978 N 8. A spool of thread has an average radius of 2.00 cm. If the spool contains 75 m of thread, how many turns of thread are on the spool? "Average radius" allows us to not need to treat the layering of threads...
A roller-coaster track has six semicircular "dips" with different radii of curvature. The same roller-coaster cart...
A roller-coaster track has six semicircular "dips" with different
radii of curvature. The same roller-coaster cart rides through each
dip at a different speed.For the different values given for the radius of curvatureR and speed v,
rank the magnitude of the force of the roller-coaster track on the
cart at the bottom of each dip.A) R=60m v=16 m/s B) R=15m v= 8m/s C) R=30m v= 4m/s D) R=45m v=
4m/s E) 30m v= 16 m/s F) R= 15m v=12 m/s
A Ferris wheel at a carnival has a radius of 10 m and turns so that...
A Ferris wheel at a carnival has a radius of 10 m and turns so that the speed of the riders is 8 m/s. What is the magnitude of the centripetal acceleration of the riders? What is the magnitude of the net force required to produce this centripetal acceleration for a rider with a mass of 60 kg? 2. Joe has a weight of 720 N (about 162 lb) when he is standing on the surface of the Earth What...
For two objects with masses 100kg and 500 kg to be 20 meters apart, find the...
For
two objects with masses 100kg and 500 kg to be 20 meters apart,
find the gravity between them.
You can find their answers from the textbook (no need to turn in) 2) Turn in homework (Show Work, due to be announced): A 1000-kg car moves as speed from 10 m/s to 30 m/s in 20 seconds. What is the average speed? What is the acceleration? What is the average force acting upon it? If the car turns along a...
Review Icons In short-track speed skating, the track has straight sections and semicircles 16 m in...
Review Icons In short-track speed skating, the track has straight sections and semicircles 16 m in diameter. Assume that a 69 kg skater goes around the turn at a constant 13 m/s (Figure 1) Part A What is the horizontal force on the skater? Express your answer with the appropriate units. Figure < 1 of 1 HÅ F- Value Units Submit Previous Answers Request Answer Part B. What is the ratio of this force to the skater's weight? VO ΑΣΦ...
A 700 g air-track glider attached to a spring with spring constant 12 N/m is sitting...
A 700 g air-track glider attached to a spring with spring constant 12 N/m is sitting at rest on a frictionless air track. A 250 g glider is pushed toward it from the far end of the track at a speed of 170 cm/s . It collides with and sticks to the 700 g glider.
Came: 7. What centripetal force does an 100-kg passenger experience when seated 15 m from the center of a Ferris wheel whose angular speed is 0.75 rad/s? a 844 N b. 458 N c. 127N d. 978 N 8. A spool of thread has an average radius of 2.00 cm. If the spool contains 75 m of thread, how many turns of thread are on the spool? "Average radius" allows us to not need to treat the layering of threads...
A roller-coaster track has six semicircular "dips" with different
radii of curvature. The same roller-coaster cart rides through each
dip at a different speed.For the different values given for the radius of curvatureR and speed v,
rank the magnitude of the force of the roller-coaster track on the
cart at the bottom of each dip.A) R=60m v=16 m/s B) R=15m v= 8m/s C) R=30m v= 4m/s D) R=45m v=
4m/s E) 30m v= 16 m/s F) R= 15m v=12 m/s
A Ferris wheel at a carnival has a radius of 10 m and turns so that the speed of the riders is 8 m/s. What is the magnitude of the centripetal acceleration of the riders? What is the magnitude of the net force required to produce this centripetal acceleration for a rider with a mass of 60 kg? 2. Joe has a weight of 720 N (about 162 lb) when he is standing on the surface of the Earth What...
For
two objects with masses 100kg and 500 kg to be 20 meters apart,
find the gravity between them.
You can find their answers from the textbook (no need to turn in) 2) Turn in homework (Show Work, due to be announced): A 1000-kg car moves as speed from 10 m/s to 30 m/s in 20 seconds. What is the average speed? What is the acceleration? What is the average force acting upon it? If the car turns along a...
Review Icons In short-track speed skating, the track has straight sections and semicircles 16 m in diameter. Assume that a 69 kg skater goes around the turn at a constant 13 m/s (Figure 1) Part A What is the horizontal force on the skater? Express your answer with the appropriate units. Figure < 1 of 1 HÅ F- Value Units Submit Previous Answers Request Answer Part B. What is the ratio of this force to the skater's weight? VO ΑΣΦ...
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